About iCurlHTTP
HTTP Web Server Response Diagnostic Tool - Curl for iPhone and iPad iCurlHTTP is a simple, easy to use app that allows you to run MacOS/Linux-like cURL tests against URLs. It can simulate different web browsers...
HTTP Web Server Response Diagnostic Tool - Curl for iPhone and iPad iCurlHTTP is a simple, easy to use app that allows you to run MacOS/Linux-like cURL tests against URLs. It can simulate different web browsers (user-agents) to retrieve the raw HTTP headers and HTML response from web servers. ** GET, HEAD & POST Requests (GET, HEAD, POST, PUT, DELETE, OPTIONS and TRACE on iPad) ** SSL Support - https requests with basic certificate and handshake information ** Keeps a history of URLs tested with HEADER and POST data and provides them in a dropdown for easy repeated testing ** Simulates curl, iPhone, iPad, Safari, IE, Chrome and custom user-agent browsers ** Simple single-view interface with realtime result screen. ** iPhone and iPad support ** Verbose and Basic Detail ** HTTP Timing Details (Name Lookup, TCP Connect, SSL Handshake, First Byte and Total) ** Set custom User-Agent, Host Headers, Timeouts, HTTP Authentication, SSL Mode and POST Data ** Share Feature to send output to Clipboard, Printer and Email ** HTTP/2 Support ** IPv4 and IPv6 DNS Resolution with Option for Manual Address Resolution (via HOST:PORT:ADDRESS)
Previous Versions
Here you can find the changelog of iCurlHTTP since it was posted on our website on 2016-10-04 06:12:55.
The latest version is 1.19 and it was updated on 2026-10-17 13:15:47. See below the changes in each version.
iCurlHTTP version 1.19
Updated At: 2026-10-14
Changes: Version History Version 1.19
• New: Display Headers Only mode – skip the response body for faster testing of large downloads (like curl -o /dev/null)
• New: Fixed Width Font option for the response viewer
• New: Manually override the proxy – set a custom proxy or force a direct connection, independent of your device's system proxy
• Increased the large file warning threshold to 2MB to match today's web pages
• Fixed layout on newer iPhones with a notch or Dynamic Island
• Major performance improvements – faster loading and much smoother scrolling on large responses, with several UI freezes fixed
• General compatibility and stability updates 1.19 Aug 16 * Support for new iPhone 17 Pro (2622x1206) and Pro Max (2868x1320)
* Adjusted UI margins for dynamic island and bottom safe area
* Updates - New libcurl (8.17.0), openssl (3.0.18), nghttp2 (1.68.0) libraries 1.18 Jan 7 * Support for new iPhone 13
* Updates - New libcurl (7.83.1), openssl (1.1.1o), nghttp2 (1.47.0) libraries
* Updates - Browser User Agents Updated and replaced IE with Edge. 1.17 05/31/2022 * Added support for new iPhone 12 models (12, Pro, Pro Max, Mini) in v.1.15
* Bug Fix - SSLv3 Added for Testing (Force SSLv3 Setting) 1.16 01/03/2021 * Added support for new iPhone models (iPhone 12, Pro, Pro Max, Mini)
* Updates - New libcurl (7.74.0), openssl (1.1.1i), nghttp2 (1.42.0) libraries 1.15 12/30/2020 * PUT verb added for larger and newer iPhones
* Bug Fix - SSLv3 support added for testing (Use "Force SSLv3" in Setting)
* Updates - New libcurl (7.72.0), openssl (1.1.1g), nghttp2 (1.41.0) libraries 1.14 09/13/2020 * Added iOS 13 and Dark Mode Support
* Updates - New libcurl (7.67.0), openssl (1.1.1d), nghttp2 (1.40.0) libraries 1.13 01/02/2020 v1.12- OpenSSL 1.1.1 Upgrade with TLS 1.3 Support
** Updates - New libcurl (7.64.1), openssl (1.1.1b), nghttp2 (1.37.0) libraries
** Updates - Supporting new iPhone Models (XR, XS, XS Max) and iOS 12.2 1.12 04/06/2019 ** iPhone X Support
** Updates - New libcurl (7.62.0), openssl (1.0.2p), nghttp2 (1.34.0) libraries
** Memory management improvements 1.11 12/15/2018 ** Bug Fix to Address Compatibility Issues with HTTP2
** Updates - New libcurl (7.56.1), openssl (1.0.2m), nghttp2 (1.27.0) libraries 1.10 11/13/2017 ** Bug Fix to Address Compatability Issues with iOS 9
** Updates - New libcurl (7.50.3), openssl (1.0.1u), nghttp2 (1.15.0) libraries 1.9 01/04/2017 ** Performance Improvements and Bug Fixes to Address User Interface Related Crashes
** Updated iCurlHTTP User Agent Default
** Added user defined DNS lookup & connection timeout setting (default 5s) 1.8 10/31/2016 ** Added DNS Resolve Option for Manual Address Resolution (via HOST:PORT:ADDRESS)
** iOS 10 - iPhone7 and iPhone7 Plus Support
** Updates - New libcurl (7.50.3), openssl (1.0.1u), nghttp2 (1.15.0) libraries 1.7 10/17/2016 ** Added HTTP2 Protocol Support via nghttp2 (1.14.0) library
** Added Certificate Chain Details for HTTPS Sessions (Detail Mode)
** Added Support for Authentication Credentials in URL (e.g. https://user:pass@jasonacox.com/gettest.php)
** Added Settings Toggle for IPv4 and IPv6 DNS Address Resolution
** Updates - New libcurl (7.50.1) and openssl (1.0.1t) libraries 1.6 09/08/2016 ** Added 301/302 Redirect following option.
** Updated Settings and Share buttons with easier to find icons intead of text.
** Added Chrome to iPhone browser emulation options.
** Updates - New libcurl (7.47.1) and openssl (1.0.1r) libraries 1.5 03/02/2016 Version 1.4
** iOS 8 - iPhone6 and iPhone6 Plus Support
** POST Requests added to iPhone.
** URL history now includes POST and HEADER data.
** URL history can be cleared in User settings menu.
** Added user defined timeout setting (default 30s)
** New libcurl (7.40.0) and openssl (1.0.1l) libraries (SSLv3 disabled by default)
** Security Options - User setting to allow Forced SSLv3 for testing 1.4 02/27/2015 * Share Feature - Send output to Clipboard, Printer and Email
* User Settings - Set Custom User-Agent, Custom Headers, POST Data, Authentication and SSL Mode
* Updates - New libcurl and openssl libraries. 1.3 06/22/2014 * Updated to use new iOS 7 SDK and fixed Basic/Detail toggle button alignment in iOS 7.
* Added HTTP timing details (Name Lookup, TCP Connect, SSL Handshake, First Byte and Total)
* Using: libcurl 7.29.0 and OpenSSL 1.0.1e 1.2 09/17/2013 * Added OpenSSL+libcurl library for enhanced SSL information (including cert expiration & verification)
* Increased libcurl buffer to 32k to accelerate transfer of large HTML documents
* Added warning and cancelation option for larger HTML downloads (> 250k)
* Bug Fix: Corrected PUT method stickiness (incorrectly ran PUT http method even after switching)
* Bug Fix: Corrected URL dropdown table bug in landscape mode (adjusting for keyboard offset) 1.1 04/15/2013 1.0 03/12/2013
iCurlHTTP version 1.18
Updated At: 2026-08-06
Changes: Version History * Support for new iPhone 17 Pro (2622x1206) and Pro Max (2868x1320)
* Adjusted UI margins for dynamic island and bottom safe area
* Updates - New libcurl (8.17.0), openssl (3.0.18), nghttp2 (1.68.0) libraries 1.18 Jan 7 * Support for new iPhone 13
* Updates - New libcurl (7.83.1), openssl (1.1.1o), nghttp2 (1.47.0) libraries
* Updates - Browser User Agents Updated and replaced IE with Edge. 1.17 05/31/2022 * Added support for new iPhone 12 models (12, Pro, Pro Max, Mini) in v.1.15
* Bug Fix - SSLv3 Added for Testing (Force SSLv3 Setting) 1.16 01/03/2021 * Added support for new iPhone models (iPhone 12, Pro, Pro Max, Mini)
* Updates - New libcurl (7.74.0), openssl (1.1.1i), nghttp2 (1.42.0) libraries 1.15 12/30/2020 * PUT verb added for larger and newer iPhones
* Bug Fix - SSLv3 support added for testing (Use "Force SSLv3" in Setting)
* Updates - New libcurl (7.72.0), openssl (1.1.1g), nghttp2 (1.41.0) libraries 1.14 09/13/2020 * Added iOS 13 and Dark Mode Support
* Updates - New libcurl (7.67.0), openssl (1.1.1d), nghttp2 (1.40.0) libraries 1.13 01/02/2020 v1.12- OpenSSL 1.1.1 Upgrade with TLS 1.3 Support
** Updates - New libcurl (7.64.1), openssl (1.1.1b), nghttp2 (1.37.0) libraries
** Updates - Supporting new iPhone Models (XR, XS, XS Max) and iOS 12.2 1.12 04/06/2019 ** iPhone X Support
** Updates - New libcurl (7.62.0), openssl (1.0.2p), nghttp2 (1.34.0) libraries
** Memory management improvements 1.11 12/15/2018 ** Bug Fix to Address Compatibility Issues with HTTP2
** Updates - New libcurl (7.56.1), openssl (1.0.2m), nghttp2 (1.27.0) libraries 1.10 11/13/2017 ** Bug Fix to Address Compatability Issues with iOS 9
** Updates - New libcurl (7.50.3), openssl (1.0.1u), nghttp2 (1.15.0) libraries 1.9 01/04/2017 ** Performance Improvements and Bug Fixes to Address User Interface Related Crashes
** Updated iCurlHTTP User Agent Default
** Added user defined DNS lookup & connection timeout setting (default 5s) 1.8 10/31/2016 ** Added DNS Resolve Option for Manual Address Resolution (via HOST:PORT:ADDRESS)
** iOS 10 - iPhone7 and iPhone7 Plus Support
** Updates - New libcurl (7.50.3), openssl (1.0.1u), nghttp2 (1.15.0) libraries 1.7 10/17/2016 ** Added HTTP2 Protocol Support via nghttp2 (1.14.0) library
** Added Certificate Chain Details for HTTPS Sessions (Detail Mode)
** Added Support for Authentication Credentials in URL (e.g. https://user:pass@jasonacox.com/gettest.php)
** Added Settings Toggle for IPv4 and IPv6 DNS Address Resolution
** Updates - New libcurl (7.50.1) and openssl (1.0.1t) libraries 1.6 09/08/2016 ** Added 301/302 Redirect following option.
** Updated Settings and Share buttons with easier to find icons intead of text.
** Added Chrome to iPhone browser emulation options.
** Updates - New libcurl (7.47.1) and openssl (1.0.1r) libraries 1.5 03/02/2016 Version 1.4
** iOS 8 - iPhone6 and iPhone6 Plus Support
** POST Requests added to iPhone.
** URL history now includes POST and HEADER data.
** URL history can be cleared in User settings menu.
** Added user defined timeout setting (default 30s)
** New libcurl (7.40.0) and openssl (1.0.1l) libraries (SSLv3 disabled by default)
** Security Options - User setting to allow Forced SSLv3 for testing 1.4 02/27/2015 * Share Feature - Send output to Clipboard, Printer and Email
* User Settings - Set Custom User-Agent, Custom Headers, POST Data, Authentication and SSL Mode
* Updates - New libcurl and openssl libraries. 1.3 06/22/2014 * Updated to use new iOS 7 SDK and fixed Basic/Detail toggle button alignment in iOS 7.
* Added HTTP timing details (Name Lookup, TCP Connect, SSL Handshake, First Byte and Total)
* Using: libcurl 7.29.0 and OpenSSL 1.0.1e 1.2 09/17/2013 * Added OpenSSL+libcurl library for enhanced SSL information (including cert expiration & verification)
* Increased libcurl buffer to 32k to accelerate transfer of large HTML documents
* Added warning and cancelation option for larger HTML downloads (> 250k)
* Bug Fix: Corrected PUT method stickiness (incorrectly ran PUT http method even after switching)
* Bug Fix: Corrected URL dropdown table bug in landscape mode (adjusting for keyboard offset) 1.1 04/15/2013 1.0 03/12/2013
iCurlHTTP version 1.18
Updated At: 2026-01-07
Changes: * Support for new iPhone 17 Pro (2622x1206) and Pro Max (2868x1320)
* Adjusted UI margins for dynamic island and bottom safe area
* Updates - New libcurl (8.17.0), openssl (3.0.18), nghttp2 (1.68.0) libraries
iCurlHTTP version 1.17
Updated At: 2022-06-02
Changes: Jun 2, 2022
Version 1.17
* Support for new iPhone 13 and Mac Catalyst 15.0
* Updates - New libcurl (7.83.1), openssl (1.1.1o), nghttp2 (1.47.0) libraries
* Updates - Browser User Agents Updated and replaced IE with Edge.
iCurlHTTP version 1.6
Updated At: 2013-03-12
Disclaimer
Official App Store Link
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